Download Adlink Matrix Configurable Driver

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• Download Adlink Matrix Configurable Drivers
• Download Adlink Matrix Configurable Driver Updater
• Download Adlink Matrix Configurable Driver Installer
• Download Adlink Matrix Configurable Driver Download

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LED Matrix is low cost and usually used to display simple numbers and images. Grove - Red LED Matrix w/Driver is the combination of the 20mm 8*8 square LED Matrix - Red and the Grove - LED Matrix Driver. The HT16K33 is a memory mapping and multi-function LED controller driver which allows you to control the LED matrix with our prepared and easy-to-use libraries, or you can create your own library to control it to satisfy your need.

Version¶

Product Version	Changes	Released Date
Grove - Red LED Matrix w/Driver	Initial	Sep 2018

Feature¶

• Integrated RC oscillator
• R/W address auto increment
• Max. 8 x 8 patterns
• I²C-bus interface

Specification¶

Item	Value
Supply Voltage	3.3V / 5V
LED Matrix Dot NO.	8 * 8
Operating temperature	-40～85℃
Storage temperature	-50～125℃
Interface	I2C
I2C address	0x70(defult) 0x71~0x77(configurable)
Size	L: 40mm W: 40mm H: 21mm
Weight	17.4g
Package size	L: 140mm W: 90mm H: 20mm
Gross Weight	24g

Note

There are 8 possible I2C address of this grove, from 0x70 to 0x77. The defult I²C address is 0x77. You can change the I2C address by do some soldering as instructed in the below table.

I2C address	Connection
0x70	Disconnect: A0 A1 A2
0x71	Disconnect: A1 A2, Connect: A0
0x72	Disconnect: A0 A2, Connect: A1
0x73	Disconnect: A2, Connect: A1 A0
0x74	Disconnect: A0 A1, Connect: A2
0x75	Disconnect: A1, Connect: A0 A2
0x76	Disconnect: A0, Connect: A1 A2
0x77	Connect: A0 A1 A2

For example, if I want to change the address to 0x73, I need to connect pad A1,A0 and disconnect pad A2. Then I will get address 0b01110011, that is 0x73.

Typical applications¶

• Industrial control indicators
• Digital clocks, thermometers, counters, multimeters
• Combo sets
• VCR sets
• Instrumentation readouts
• Other consumer applications
• LED Displays

Hardware Overview¶

Pin Out¶

Platforms Supported¶

Arduino	Raspberry Pi

Getting Started¶

Play With Arduino¶

Materials required

Seeeduino V4.2	Base Shield	Grove - Red LED Matrix w/Driver
Get ONE Now	Get ONE Now	Get ONE Now

Note

1. Please plug the USB cable gently, otherwise you may damage the port. Please use the USB cable with 4 wires inside, the 2 wires cable can't transfer data. If you are not sure about the wire you have, you can click here to buy

2. Each Grove module comes with a Grove cable when you buy. In case you lose the Grove cable, you can click here to buy.

Download Adlink Matrix Configurable Drivers

• Step 1. Connect the Grove - Red LED Matrix w/Driver to port I²C of Grove-Base Shield.

• Step 2. Plug Grove - Base Shield into Seeeduino.

• Step 3. Connect Seeeduino to PC via a USB cable.

Software¶

Attention

Download Adlink Matrix Configurable Driver Updater

If this is the first time you work with Arduino, we strongly recommend you to see Getting Started with Arduino before the start.

• Step 1. Download the Grove_LED_Matrix_Driver_HT16K33 Library from Github.

• Step 2. Refer to How to install library to install library for Arduino.

• Step 3. Restart the Arduino IDE. Open the example, you can open it in the following three ways：

  1. Open it directly in the Arduino IDE via the path: File → Examples →Grove - LED Matrix Driver(HT16K33 with 8*8 LED Matrix) → display_bars.

  2. Open it in your computer by click the basic_demo.ino which you can find in the folder XXXXArduinolibrariesGrove_LED_Matrix_Driver_HT16K33⁩examplesdisplay_bars⁩display_bars⁩.ino, XXXX is the location you installed the Arduino IDE.

  3. Or, you can just click the icon in upper right corner of the code block to copy the following code into a new sketch in the Arduino IDE.

Attention

The library file may be updated. This code may not be applicable to the updated library file, so we recommend that you use the first two methods.

Success

If everything goes well, you will be able to see various bars display on the LED matrix.

If you would like to run other examples, you may do similar processes and be able to see different displays.

DIY

Are you willing to let the LED matrix to display the emoji? Now, it is your turn to design your own. Prepare yourself with the above-listed Hardware and Software requirements.

• Step 1. Use the online LED Matrix Editor to edit and create animations for 8*8 LED matrices.

• Step 2. Select the LEDs color on the top right corner. In my case, I choose 'red' as I am using the Red LED Matrix.

• Step 3. Create your own design by simply click on the blank dot.

• Step 4. Copy the hex file generated according to your design. There are two ways you can do this:

  • copy the hex value in the hex box at the bottom left corner.
  • copy the corresponding code in the Arduino/C code section.

Download Adlink Matrix Configurable Driver Installer

• Step 5. Create the new '.ino' file under the same folder with other LED Matrix examples and copy below code.

• Step 6. Upload your project to your seeeduino.

Success

If everything goes well, your LED Matrix will display as below.

Schematic Online Viewer¶

Resources¶

Download Adlink Matrix Configurable Driver Download

• [Zip]Grove - LED Matrix Driver(HT16K33) Eagle Files

• [Zip]Grove_LED_Matrix_Driver_HT16K33 Software Library

• [PDF]Datasheet HT16K33

Tech Support¶

Please do not hesitate to submit the issue into our forum .